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Q:What are the basic requirements for the design of mechanical parts?

(1) to avoid the requirement of failure in the scheduled life period1. strengthThe residual parts in the work break or do not allow the deformation of insufficient strength of subordination. The above failure forms shall be avoided for any part other than those intended for timely destruction in the safety device. Therefore, the proper strength is the basic condition that must be satisfied when designing a part.

Q:Mechanical design of various parts of the hardness value of how to determine?.

You send out the request and I'll help you get it! Upstairs answer obvious mistakes, such as 45 steel, the best performance in 39-44HRC, but domestic heat treatment and foreign heat treatment level there are differences, the same hardness, foreign countries are several times more durable than the domestic!

Q:Mechanical design is to draw the general plan or draw a part diagram first?

Usually draw the general plan first, and then draw parts, parts drawing. This arrangement facilitates the arrangement of the overall layout of the designed device.For experienced designers, the key components are often designed first. Then the overall design is carried out around the key components.Experienced fitter often starts with parts.No matter where to start the design, the design process always emphasizes the function realization of the device, and then carries on the strength and the rigidity check. When the strength and stiffness are insufficient, return to the design origin and start the design again.

Q:At the time of mechanical design.

A part of an assembly drawing. If it is a standard part, fill in the name of the part and the standard code. If it is a nonstandard part, fill in the part name and the code specified by the company.As you mentioned, it should be the standard staff who can only fill out the part code, which is the code number specified by your company. Drawing design, the non-standard parts using the company's parts code.

Q:On the coordination of parts in mechanical design

The specific reference to the mechanical design manual, there are examples to follow the steps above to do down, the calculation process has a 3,4 page, but also to calculate what the shaft strength, but not so easy to design, and your condition is not good, you should also give the work work strength of the shaft, and is expected to life and work in different intensity of life is not the same, so the design steps are not the same, you still buy this book to see it, this question is not clear.

Q:What are the main principles of mechanical principles and mechanical parts design?

Factors to consider when designing mechanical parts:1. the function of the parts, the parts in the equipment, and its uses. Is the part shaft or instrument housing or support seat?2. the load of the parts, according to the load or according to the strength requirements, determine the brand of material.3. heat treatment conditions, heat treatment and no heat treatment conditions, the election of different materials;

Q:I would like to open a small mechanical design company (specializing in the design of mechanical parts, etc.) can you make money?

Now the society is not lack of talent, do what you want to find someone to test, the key is you have no contacts, there is no fixed customers, the company has its own R & D, and you have a big competitor is a variety of Design Institute, they have the strength, but also all kinds of qualifications, you must what do you want a good advantage. My point of view, there are fixed customers must make money, there is no fixed customers must lose money. I can try to get a mechanical design team on a team test.

Q:I University of mechanical manufacturing, graduate students made a machine tool parts, mechanical design,

Can go to the direction of mechanical and electrical integration, good use of their own advantages. These do not understand, you can find under the internet.

Q:In the design of large machinery, it is to design the parts first, the assembly drawings as well

First of all, the transmission mechanism must be defined first, and then the strength of the transmission system must be calculated, and then the actual size, gear modulus and so onThen draw parts, assemble, assemble problems, and then change parts

Either way, in actual work, the two approaches may alternate.If you do is mechanism design, may be other assembly references, can consider each part separately draw, so in the future by other assembly references when good maintenance, no loss of reference.If you do need to consider other parts of the related parts, such as the appearance of the skin, a variety of sports organizations, etc., can be considered to create parts in the assembly, can avoid some mistakes when combined with other parts. However, it is still recommended that you minimize the external reference in the assembly and make the key features that require external reference, and that the rest of the features are still done in an independent part manner.